Tungsten Eye Shields

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The Tungsten Eye Shield can use either the 0.5 mm or 1 mm thick anodized aluminum cap (both are included with each tungsten eye shield) to reduce the electron backscatter to the eyelid.  The eye shield can be used without the aluminum cap when placed superficially.  They have less transmission than other eye shields

Recommendations Based on Transmission Values:

The 2 mm tungsten eye shield should be used for 6 MeV, and the 3 mm tungsten eye shield should be used for 9 MeV.  These tungsten eye shields are not recommended for use above 9 MeV.
The user will have to determine an acceptable amount of backscatter to decide whether to use 0.5 mm or 1 mm aluminum cap.


Specifications
Tungsten Density: 17 g/cm3
Aluminum Density: 2.718 g/cm3
Thickness: 2 mm



 
 
 

 

2mm thick Tungsten Eye Shields
Item #
Size DIM "A" DIM "B" DIM "C" DIM "D"
936-583 Extra Small 11.6mm 15.7mm 16.8mm 17.9mm
936-585 Small 13.3mm 17.4mm 18.5mm 19.6mm
936-587 Medium 15.0mm 19.1mm 20.2mm 21.3mm
936-589 Large 16.7mm 20.8mm 21.9mm 23.0mm
936-591 Extra Large 18.4mm 22.5mm 23.6mm 24.7mm
           
3mm thick Tungsten Eye Shields
Item #
Size DIM "A" DIM "B" DIM "C" DIM "D"
 936-596  Extra Small  11.0mm  17.4mm 18.5mm  19.6mm 
 936-598  Small  12.7mm  19.1mm 20.2mm   21.3mm
 936-601  Medium  14.4mm  20.8mm  21.9mm 23.0mm 
936-623 Large 16.1mm 22.5mm 23.6mm 24.7mm
936-627 Extra Large 17.8mm 24.2mm 25.3mm 26.4mm